Index: sys/geom/geom_map.c
===================================================================
--- sys/geom/geom_map.c	(revision 310238)
+++ sys/geom/geom_map.c	(working copy)
@@ -147,8 +147,13 @@
 	bzero(search_key, MAP_MAX_MARKER_LEN);
 	sectorsize = cp->provider->sectorsize;
 
+#ifdef __LP64__
+	ret = sscanf(line, "search:%li:%li:%63c",
+	    &search_start, &search_step, search_key);
+#else
 	ret = sscanf(line, "search:%qi:%qi:%63c",
 	    &search_start, &search_step, search_key);
+#endif
 	if (ret < 3)
 		return (1);